Updating changelog.
Updating changelog.

angulartics/angulartics,mushkab/angulartics,geordie--/angulartics,cristoferdomingues/angulartics,aheuermann/angulartics,marcin-wosinek/angulartics,cwill747/angulartics,indiegogo/angulartics,iamakimmer/angulartics,abhilashsajeev/angulartics